Thandeka N. Myeni, MD

Medicare activity in 2024

Official CMS public-use data for Thandeka N. Myeni, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)250 services
2. Imaging of optic nerve (92133)206 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)182 services
4. Photography of the retina (92250)138 services
5. Established patient complete exam of visual system (92014)126 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Diabetes52%
• Arthritis40%
• Chronic kidney disease31%
• Ischemic heart disease19%

Hospitals where Thandeka N. Myeni works

Medicare's Facility Affiliation Data lists Thandeka N. Myeni at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166

Practice locations

Addresses where Thandeka N. Myeni is enrolled with Medicare (CMS data updated October 2, 2026).

• 2020 W Iles AveSpringfield, IL 62704 (217) 698‑3030

Group practices

Medicare enrollment lists Thandeka N. Myeni as a member of this group (CMS data updated October 2, 2026).

• Prairie Eye Center, Ltd17 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Illinois →

Other ophthalmologists in Springfield

Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.

• Phyllis I. Eze, MD
• William W. Yang, MD
• Herbert Becker, MD
• Mohammad Sadiq, MD
• Aleksandr Kagan, DO
• Randal J. Peterson, MD
• Grant W. Su, MD
• Phillip D. Alward, MD

All ophthalmologists in Springfield →

Other clinicians in Prairie Eye Center, Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Monica Ryan, OD
• William W. Yang, MD
• Elizabeth R. Heideman, OD
• Phillip D. Alward, MD
• Sandra W. Yeh, MD
• Brian M. Moore, OD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians